4. Hydraulic and earth engineering
  5. Subterranean or submarine pipe or cable laying, retrieving,...
  6. Repair, replacement, or improvement

Hans-Georg Hein

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Pipe joint for driving pipes laid underground by the driving tec

Hydraulic and earth engineering – Subterranean or submarine pipe or cable laying – retrieving,... – Repair – replacement – or improvement
Patent

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Preparation of aldehydes and/or alcohols having from 6 to 30...

Organic compounds -- part of the class 532-570 series – Organic compounds – Oxygen containing
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1099746

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